Skip to content
Fencer Vulns
high 7.0

CVE-2023-35378 json

Windows Projected File System Elevation of Privilege Vulnerability

published 2023-08-08 3 y ago modified 2026-08-10 2 mo ago also EUVD-2023-39381

cvss
7.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

Windows Projected File System Elevation of Privilege Vulnerability

Patch / fix

  • Microsoft Windows 10 Version 1809 10.0.17763.4737
  • Microsoft Windows 10 Version 21H2 10.0.19044.3324
  • Microsoft Windows 10 Version 22H2 10.0.19045.3324
  • Microsoft Windows 11 version 21H2 10.0.22000.2295
  • Microsoft Windows 11 version 22H2 10.0.22621.2134
  • Microsoft Windows Server 2019 10.0.17763.4737
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.4737
  • Microsoft Windows Server 2022 10.0.20348.1906

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022

Classification

Weakness
  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.